Answer:
Step-by-step explanation:
Given

and
lies between

and for this
,
and
is Positive as they lie in 2 nd Quadrant






Answer:
(200)+(50)+(0)
Step-by-step explanation:
you just take all the numbers and break them up
Fy = 2 because we derivate in raport witw y and x is like a constant;
fyx = 0 because we deivare in raport with x.
Hey there! :D
18=2x+x
x= Elga's age.
18=3x
Divide both sides by 3.
x=6
Elga is 6 years old.
I hope this helps!
~kaikers